Six of the nine known Gasterophilus species occur in equine from KNR, China.
The percentage of Przewalski’s horses infested was higher than local domestic horse or Mongolian wild ass.
Analyzed the preliminary reason of infestation status differences from three kinds of equid.
Domestic horses and Mongolian wild asses appear to cope well with their respective parasitic loads, but Przewalski’s horses have obvious problems with parasitic infestation.